(-1 (
("spt-group-formation(object:spt-1-3,agent:Person1,agent:Person0)" 741 832)
("approach(agent:Person1,agent:Person0)" 561 598)
("spt-group-formation(object:spt-1-1,agent:Person1,agent:Person0)" 183 236)
("walk(agent:Person1)" 766 832)
("pair(agent:Person1,agent:Person2)" 631 738)
("spt-group-formation(object:spt-1-2,agent:Person1,agent:Person0)" 561 576)
))